ẒEMAḤ BEN KAFNAI:
Gaon of Pumbedita from 936 to 938, at the time when Saadia had been reinstated in the gaonate of Sura after his excommunication. Nothing is known concerning his life or his works.
- Letter of Sherira, in Neubauer's Anecdota Bronicusa, i. 40;
- Grätz, Gesch. v. 276-277;
- Weiss, Dor, iv. 160.